[llvm] [VPlan] Introduce ComputeReductionResult VPInstruction opcode. (PR #70253)

[Florian Hahn via llvm-commits]

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@@ -3643,169 +3614,6 @@ void InnerLoopVectorizer::fixFixedOrderRecurrence(
   Phi->setName("scalar.recur");
 }
 
-void InnerLoopVectorizer::fixReduction(VPReductionPHIRecipe *PhiR,
-                                       VPTransformState &State) {
-  PHINode *OrigPhi = cast<PHINode>(PhiR->getUnderlyingValue());
-  // Get it's reduction variable descriptor.
-  assert(Legal->isReductionVariable(OrigPhi) &&
-         "Unable to find the reduction variable");
-  const RecurrenceDescriptor &RdxDesc = PhiR->getRecurrenceDescriptor();
-
-  RecurKind RK = RdxDesc.getRecurrenceKind();
-  TrackingVH<Value> ReductionStartValue = RdxDesc.getRecurrenceStartValue();
-  Instruction *LoopExitInst = RdxDesc.getLoopExitInstr();
-  if (auto *I = dyn_cast<Instruction>(&*ReductionStartValue))
-    State.setDebugLocFrom(I->getDebugLoc());
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fhahn wrote:

Yes, I think it should be dead.

https://github.com/llvm/llvm-project/pull/70253